P, Q = map(int, input().split())

if P > Q * 2:
    print(0)
    exit()

ans_list = []

for M in range(1, 10 ** 8):
    if Q - P * M != 0:
        if (-M * Q) % (Q - P * M) == 0:
            N = (-M * Q) // (Q - P * M)
            if N > 0:
                ans_list.append((N, M))

ans_list.sort()

print(len(ans_list))
for t in ans_list:
    print(*t)